EP3647844A4 - Wavelength selective switch for multiple units - Google Patents

Wavelength selective switch for multiple units Download PDF

Info

Publication number
EP3647844A4
EP3647844A4 EP17915466.1A EP17915466A EP3647844A4 EP 3647844 A4 EP3647844 A4 EP 3647844A4 EP 17915466 A EP17915466 A EP 17915466A EP 3647844 A4 EP3647844 A4 EP 3647844A4
Authority
EP
European Patent Office
Prior art keywords
wavelength selective
multiple units
selective switch
switch
units
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP17915466.1A
Other languages
German (de)
French (fr)
Other versions
EP3647844A1 (en
EP3647844B1 (en
Inventor
Seong Woo Suh
Seong Min Kang
Tae Hwan Kim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Inlc Technology Co Ltd
Original Assignee
Inlc Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Inlc Technology Co Ltd filed Critical Inlc Technology Co Ltd
Publication of EP3647844A1 publication Critical patent/EP3647844A1/en
Publication of EP3647844A4 publication Critical patent/EP3647844A4/en
Application granted granted Critical
Publication of EP3647844B1 publication Critical patent/EP3647844B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/35—Optical coupling means having switching means
    • G02B6/3598—Switching means directly located between an optoelectronic element and waveguides, including direct displacement of either the element or the waveguide, e.g. optical pulse generation
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/35—Optical coupling means having switching means
    • G02B6/354—Switching arrangements, i.e. number of input/output ports and interconnection types
    • G02B6/356—Switching arrangements, i.e. number of input/output ports and interconnection types in an optical cross-connect device, e.g. routing and switching aspects of interconnecting different paths propagating different wavelengths to (re)configure the various input and output links
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/35—Optical coupling means having switching means
    • G02B6/3502—Optical coupling means having switching means involving direct waveguide displacement, e.g. cantilever type waveguide displacement involving waveguide bending, or displacing an interposed waveguide between stationary waveguides
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/35—Optical coupling means having switching means
    • G02B6/351—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements
    • G02B6/3524—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements the optical element being refractive
    • G02B6/3528—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements the optical element being refractive the optical element being a prism
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/35—Optical coupling means having switching means
    • G02B6/354—Switching arrangements, i.e. number of input/output ports and interconnection types
    • G02B6/3544—2D constellations, i.e. with switching elements and switched beams located in a plane
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/35—Optical coupling means having switching means
    • G02B6/3586—Control or adjustment details, e.g. calibrating
    • G02B6/3588—Control or adjustment details, e.g. calibrating of the processed beams, i.e. controlling during switching of orientation, alignment, or beam propagation properties such as intensity, size or shape
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0007—Construction
    • H04Q2011/0009—Construction using wavelength filters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0007—Construction
    • H04Q2011/0026—Construction using free space propagation (e.g. lenses, mirrors)

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
EP17915466.1A 2017-06-29 2017-07-19 Wavelength selective switch for multiple units Active EP3647844B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020170082492A KR101967624B1 (en) 2017-06-29 2017-06-29 Multi-unit wavelength selective switch
PCT/KR2017/007769 WO2019004510A1 (en) 2017-06-29 2017-07-19 Wavelength selective switch for multiple units

Publications (3)

Publication Number Publication Date
EP3647844A1 EP3647844A1 (en) 2020-05-06
EP3647844A4 true EP3647844A4 (en) 2020-12-09
EP3647844B1 EP3647844B1 (en) 2023-11-29

Family

ID=64742262

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17915466.1A Active EP3647844B1 (en) 2017-06-29 2017-07-19 Wavelength selective switch for multiple units

Country Status (6)

Country Link
US (1) US11204470B2 (en)
EP (1) EP3647844B1 (en)
JP (1) JP6918979B2 (en)
KR (1) KR101967624B1 (en)
CN (1) CN110785689B (en)
WO (1) WO2019004510A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2574888B (en) * 2018-06-22 2022-08-10 Huber Suhner Polatis Ltd Multiple wavelength band optical switching unit
US11079551B2 (en) * 2019-01-02 2021-08-03 Lumentum Operations Llc Liquid crystal on silicon element for dual-functionality beam steering in wavelength selective switches
US11153667B2 (en) 2019-10-18 2021-10-19 Inlc Technology Co., Ltd. Twin wavelength selective switch
KR102675060B1 (en) * 2021-02-16 2024-06-13 주식회사 셀쿱스 Multi-channel wavelength selective switching device for optical communication
CN117369054A (en) * 2022-06-30 2024-01-09 华为技术有限公司 Wavelength selective switch, method for scheduling beam transmission direction and optical switching node

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150260920A1 (en) * 2012-10-16 2015-09-17 Sumitomo Electric Industries, Ltd. Optical path control device
EP2976671A1 (en) * 2013-03-20 2016-01-27 Nistica, Inc. Wavelength selective switch employing a lcos device and having reduced crosstalk

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1368925A4 (en) * 2001-03-16 2010-01-06 Meriton Networks Us Inc Wavelength division multiplexed optical communication system having a reconfigurable optical switch and a tunable backup laser transmitter
US6674935B2 (en) * 2001-06-15 2004-01-06 Tropic Networks Inc. Optical connection arrangements
US6738176B2 (en) 2002-04-30 2004-05-18 Mario Rabinowitz Dynamic multi-wavelength switching ensemble
JP2005189548A (en) * 2003-12-25 2005-07-14 Olympus Corp Optical switch apparatus and calibration method for optical switch apparatus
JP4530805B2 (en) * 2004-11-02 2010-08-25 富士通株式会社 Optical switch and optical transmission device
US8190025B2 (en) 2008-02-28 2012-05-29 Olympus Corporation Wavelength selective switch having distinct planes of operation
JP5166380B2 (en) 2009-09-18 2013-03-21 日本電信電話株式会社 Wavelength selective switch
JP5537260B2 (en) * 2010-05-25 2014-07-02 ジェイディーエス ユニフェイズ コーポレーション Wavelength selective switch
JP5651904B2 (en) 2011-04-14 2015-01-14 独立行政法人産業技術総合研究所 N × N wavelength selective switch
JP6427869B2 (en) * 2013-03-15 2018-11-28 住友電気工業株式会社 Wavelength selective switch
CA2907695A1 (en) 2013-03-20 2014-09-25 Nistica, Inc. Wavelength selective switch having integrated channel monitor
JP5959466B2 (en) 2013-03-29 2016-08-02 古河電気工業株式会社 Optical operation device
US9588299B2 (en) * 2014-01-29 2017-03-07 Oplink Communications, Inc. 2×2 wavelength selective switch array
JP6034319B2 (en) * 2014-02-25 2016-11-30 古河電気工業株式会社 Light switch
WO2016071777A2 (en) * 2014-11-03 2016-05-12 INLC Technology, Inc. Wavelength selection switch including a switching module having a liquid crystal phase array, a polarizer and a liquid crystal on silicon
CN104597572B (en) * 2015-01-16 2017-07-18 华中科技大学 A kind of wavelength-selective switches based on liquid crystal on silicon
JP6251202B2 (en) * 2015-01-27 2017-12-20 日本電信電話株式会社 Wavelength selective switch
US9680570B2 (en) * 2015-04-30 2017-06-13 Nistica, Inc. Optical channel monitor for a wavelength selective switch employing a single photodiode

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150260920A1 (en) * 2012-10-16 2015-09-17 Sumitomo Electric Industries, Ltd. Optical path control device
EP2976671A1 (en) * 2013-03-20 2016-01-27 Nistica, Inc. Wavelength selective switch employing a lcos device and having reduced crosstalk

Also Published As

Publication number Publication date
CN110785689B (en) 2022-05-31
JP2020525815A (en) 2020-08-27
EP3647844A1 (en) 2020-05-06
US11204470B2 (en) 2021-12-21
KR101967624B1 (en) 2019-04-11
EP3647844B1 (en) 2023-11-29
JP6918979B2 (en) 2021-08-11
CN110785689A (en) 2020-02-11
US20200073056A1 (en) 2020-03-05
WO2019004510A1 (en) 2019-01-03
KR20190002088A (en) 2019-01-08

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